Measurements of the absorption of wireless waves in the ionosphere

[11] Witty R, 1934, P CAMB PHILOS SOC, V30, P540

[12] 1933, P ROY SOC, V141, P710

[13] 1933, PHIL MAG, V16, P423

[14] 1935, NATURE, V135, P585

[15] 1930, P ROY SOC A, V128, P133

[16] 1934, P I RAD ENG, V22, P481

[17] 1935, P ROY SOC A, V150, P267

[18] 1932, J I ELECT ENG, V71, P645

[11] Witty R, 1934, P CAMB PHILOS SOC, V30, P540

[12] 1933, P ROY SOC, V141, P710

[13] 1933, PHIL MAG, V16, P423

[14] 1935, NATURE, V135, P585

[15] 1930, P ROY SOC A, V128, P133

[16] 1934, P I RAD ENG, V22, P481

[17] 1935, P ROY SOC A, V150, P267

[18] 1932, J I ELECT ENG, V71, P645